Home / 46,158.06-69,248.76-12,878.11

Finding the Fourth Proportional to 46,158.06, 69,248.76 and 12,878.11

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Solution

The fourth proportional to 46,158.06, 69,248.76 and 12,878.11 is: 19,320.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,158.06 : 69,248.76 = 12,878.11 : x
  2. Step 2: Convert to fraction form
    46,158.06/69,248.76 = 12,878.11/x
  3. Step 3: Cross multiply
    46,158.06x = 69,248.76 × 12,878.11
  4. Step 4: Simplify right side
    46,158.06x = 891,793,283.50
  5. Step 5: Solve for x
    x = 891,793,283.50/46,158.06
  6. Step 6: Final answer
    x = 19,320.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.